Exemplo n.º 1
0
def test_dup_content():
    assert dup_content([], ZZ) == ZZ(0)
    assert dup_content([1], ZZ) == ZZ(1)
    assert dup_content([-1], ZZ) == ZZ(1)
    assert dup_content([1, 1], ZZ) == ZZ(1)
    assert dup_content([2, 2], ZZ) == ZZ(2)
    assert dup_content([1, 2, 1], ZZ) == ZZ(1)
    assert dup_content([2, 4, 2], ZZ) == ZZ(2)

    assert dup_content([QQ(2, 3), QQ(4, 9)], QQ) == QQ(2, 9)
    assert dup_content([QQ(2, 3), QQ(4, 5)], QQ) == QQ(2, 15)
Exemplo n.º 2
0
def test_dup_content():
    assert dup_content([], ZZ) == ZZ(0)
    assert dup_content([1], ZZ) == ZZ(1)
    assert dup_content([-1], ZZ) == ZZ(1)
    assert dup_content([1, 1], ZZ) == ZZ(1)
    assert dup_content([2, 2], ZZ) == ZZ(2)
    assert dup_content([1, 2, 1], ZZ) == ZZ(1)
    assert dup_content([2, 4, 2], ZZ) == ZZ(2)

    assert dup_content([QQ(2, 3), QQ(4, 9)], QQ) == QQ(2, 9)
    assert dup_content([QQ(2, 3), QQ(4, 5)], QQ) == QQ(2, 15)
Exemplo n.º 3
0
def dup_zz_irreducible_p(f, K):
    """Test irreducibility using Eisenstein's criterion. """
    lc = dup_LC(f, K)
    tc = dup_TC(f, K)

    e_fc = dup_content(f[1:], K)

    if e_fc:
        e_ff = factorint(int(e_fc))

        for p in e_ff.iterkeys():
            if (lc % p) and (tc % p**2):
                return True
Exemplo n.º 4
0
def dup_zz_irreducible_p(f, K):
    """Test irreducibility using Eisenstein's criterion. """
    lc = dup_LC(f, K)
    tc = dup_TC(f, K)

    e_fc = dup_content(f[1:], K)

    if e_fc:
        e_ff = factorint(int(e_fc))

        for p in e_ff.iterkeys():
            if (lc % p) and (tc % p**2):
                return True